Home / 57,228.24-78,977.49-31,732.98

Finding the Fourth Proportional to 57,228.24, 78,977.49 and 31,732.98

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Solution

The fourth proportional to 57,228.24, 78,977.49 and 31,732.98 is: 43,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.24 : 78,977.49 = 31,732.98 : x
  2. Step 2: Convert to fraction form
    57,228.24/78,977.49 = 31,732.98/x
  3. Step 3: Cross multiply
    57,228.24x = 78,977.49 × 31,732.98
  4. Step 4: Simplify right side
    57,228.24x = 2,506,191,110.62
  5. Step 5: Solve for x
    x = 2,506,191,110.62/57,228.24
  6. Step 6: Final answer
    x = 43,792.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.